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Πέμπτη 24 Αυγούστου 2017

Thoracolithiasis – CT findings of intrapleural loose bodies

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Publication date: Available online 24 August 2017
Source:Seminars in Ultrasound, CT and MRI
Author(s): Gabriela Gayer
Thoracoliths are rare benign intrapleural loose bodies, often containing calcification, that are mobile in the pleural cavity. The presence of these intrapleural nodules is referred to as thoracolithiasis. The exact etiology of thoracoliths is unknown, but they presumably result from a prior episode of mediastinal (epipericardial) fat necrosis. Thoracoliths are usually asymptomatic and incidentally encountered on CT.However, they sometimes pose diagnostic challenges, as a thoracolith may be located within a pleural fissure, and is then indistinguishable from a pulmonary nodule. In addition, migration and rotation of thoracoliths within the pleural space observed on serial CT studies has been reported to raise concern that these might be neoplastic lesions, leading to their surgical removal. Awareness of this benign condition is important in order to avoid unnecessary invasive procedures.



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